antenna

  1. mikegilbert

    An oddity from the golden era of Cable TV

    I remember seeing this website years ago referencing a large off-air TV antenna setup for a local cable company un in the central valley. I spent way too much time searching google earth hoping it was still standing. The website only mentions it was still standing in 1999. After finding it on...
  2. I

    Antenna for BC125AT

    Hello all, first post here and looking for advice on my new scanner. I'm looking to get a slightly better antenna for it than the stock one. I am in Elkhart County, Indiana. Elkhart County, Indiana (IN) Scanner Frequencies and Radio Frequency Reference Main goals are listening to local...
  3. rjvalenta

    NMN6250A Public Safety RSM - Which Antenna... or both?

    I have a VHF XTS5000 and was given the NMN6250A Public Safety RSM to work with the NTN8327 antenna adapter the radio came with... the radio has the 8.5" long wideband motorola antenna, useful for local ham repeaters and able to connect to VHF towers for the statewide trunking system which my...
  4. *SOLD* BCD436HP Digital & Analog Scanner With DMR/NXDN Upgrades! + Diamond RH77C Antenna

    *SOLD* BCD436HP Digital & Analog Scanner With DMR/NXDN Upgrades! + Diamond RH77C Antenna

    ! Upgraded Uniden BCD436HP P25 Digital Scanner – DMR & NXDN Enabled – Diamond RH77CA Antenna – Nylon Case – Extra Batteries – Programming Cable- 2020 Model This is a 2020 model Uniden BCD436HP digital police scanner (confirmed by fifth digit of the serial number in this case it's 0 meaning...
  5. J

    Antenna design and mast installation in far southern Vermont

    Howdy, If this sounds like a n00b post, that's because it is. I have been playing around with my SDS200 and some SDRs (RTL-SDR, USRP, etc.), but am only able to pick up a few frequencies down here in far southern Vermont, smack dab between Bennington and Brattleboro. We're at about 1850' but...
  6. J

    Antenna design and mast installation in far southern Vermont

    Howdy, If this sounds like a n00b post, that's because it is. I have been playing around with my SDS200 and some SDRs (RTL-SDR, USRP, etc.), but am only able to pick up a few frequencies down here in far southern Vermont, smack dab between Bennington and Brattleboro. We're at about 1850' but...
  7. R

    Delco PA antenna

    I'll start this off by saying - I have a little knowledge of antenna and scanner/frequencie knowledge, but I do know a lot of the terminology is over my head or confusing. With that being said, I have the BCT15x in my vehicle with a small dual band inexpensive antenna from Amazon currently...
  8. L

    Antennas

    I am getting a SDS100 for use in and out of my vehicle. I need a recommendation for the rubber duck antenna. I am monitoring the AIRS p25 phase 2 simulcast system in the Birmingham area. Ideally the rubber duck antenna will be as low profile as possible without suffering a major performance...
  9. K

    Looking for the right vehicle-mounted antenna

    Hello everyone, I have a BCD436HP (I got it in November of last year); I'm going to be using at least 2 of these in my vehicle (likely the 436 and 536), I'm trying to find an antenna for my vehicle. I have a pickup truck, so I'm ideally looking for one that I could bolt/screw into my backrack...
  10. W

    108-137 frequency airband scanner for bc125at

    i wanted to know about some good portable antennas (bnc) that wont stress the bc125at bnc connector, preferably telescopic and having some good range? i would prefer if it was wide-band capable, i have seen posts about the rh77ca but i wanted to know if there was any other goodones. i would not...
  11. KQ4VKM

    Good antenna for FT8 use?

    Hello all, I hope I am posting this in the correct place. I am a technician class operator who just purchased an icom IC-7300 with my tax refund (thanks, Uncle Sam! lol) I intended to take the exam to get my general license and then use the HF bands for voice communications. However, I currently...
  12. K

    Cheap antenna impedance values, plausible ?

    Good day, Got his cheap antenna: https://www.tme.eu/Document/ab28b11ed5a07f3d86b2cbf91b5e11e7/433M-ANT824.pdf Trying to use it as a way to check my measurement-taking setup and equipment. - NanoVNA calibrated at S11 port for 50 ohm - Plastic stand for the antenna with good clearance around...
  13. AngWay

    Help with multiple amplifiers . please and thank u.

    can someone tell me will this amplifer let me listen to vhf and uhf frequencies by amplifying them. Channel, Cascaded Ultra-Low Noise Amplifier
  14. V

    Printed LPDA Antenna

    Hello engineers I have a question about a log-periodic printed antenna For feeding through a coaxial cable and creating a balloon, where the shield is soldered to one side and the core to the other, Should the shield be soldered to the end of the stripline path to the board? I saw in some...
  15. M

    Transoceanic Wave Magnet

    I have a Zenith Transoceanic, model A600. I recently replaced the Wave Magnet's 300 Ohm antenna lead-in wire, and noticed that the loop windings on the antenna's core are wound differently at either end. On the end where the lead-in wire is soldered to the loop, the windings are consistently...
  16. L

    Sds100 antenna mounting

    So right now I have a Bc125AT and I am going to get an sds100 soon. I want to have an antenna on my car so I can achieve extended range. I like the “ghost” style and sharkfin style but I am open to having an actual antenna. I know that the roof of my car has the highest range so ideally I would...
  17. K

    Collecting recommendations for antenna for FTM-500DR

    Greetings all, this is my first post on the forum. new to ham radio. Currently using a handheld, yaesu ft-70R. Phoenix, AZ seems to have a fair number of fusion/wires-x repeaters so I’ve been learning about those. thinking of upgrading to more power so I’m looking at the FTM-500DR (the...
  18. T

    SW Attic Antenna Question

    I’m just starting out listening to shortwave radio, and I have a 15’ length of 14 gauge, insulated, braided wire strung in the attic of my stucco construction home. But the roof tiles are made of 1.5” thick cement – how does this impact my reception? Should I even bother with an attic antenna...
  19. O

    Does highly sensitive radio receivers encounters less fading

    I need to know whether the radio receivers that are highly sensitive, like having sensitivity less than 0.0224 micro volts for AM reception, encounter less fading than the others with less sensitivity? Which specification of a radio receiver is responsible for mitigating fading?
  20. xkingxkaosx

    SDS200 range question. Is the telescopic have good range if mounted 25ft compared to a dipole?

    Hello everyone! General question: Is the telescopic antenna that came with the SDS200 radio have good range compared to a dipole? Backstory: My SDS200 is connected to a 50ft low-loss 50ohm cable connected to a dipole. I live in Eastern Kentucky ( Letcher County ) and range and reception is...
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